Objects in the image:
category: surfboard
category: surfboard
category: surfboard
category: surfboard
category: surfboard
category: person
category: surfboard
category: surfboard
category: surfboard
category: surfboard
category: person
category: surfboard
category: surfboard
category: person
category: person
category: surfboard

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: is it a surf board?
a: Yes
q: Is the surf board laying on the sand?
a: Yes
q: Is it blue and black?
a: No
q: Is it one of the two boards next to the one that is blue and black?
a: No
q: Is it the one behind the two boards?
a: No
q: Is it the next one over closest to the water?
a: Yes
q: So, counting from the left side of the picture it is the fifth board over?
a: Yes